Here is a complete list of every player-created Fraxy boss covered on Indie Overlook so far.
Amoebus
Armageddon Core
Astronomical Symbol
Atomic Vault SP3CT3R
Centipede Gear
Deathvoid Core
Hellion Draconis
Night and Day
No Man’s Land
Oculun
Oculun Version 2
Pressure
Sky Leopard 42k
XI – Justice
XVII – Star
XVII – Star Secret Form